Why is there a negative charge on blood colloid?
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Repulsive force is generated bynegative charges on the red blood cell surface that occur due to the presence of the carboxyl group of sialic acids inthe cell membrane; these chargescreate a repulsive electric zeta potential between cells.
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Blood’ could be considered a colloid, in that it consists of microscopic particles (red and white blood cells and platelets) suspended in a liquid (plasma). It does not fit the exact definition of a colloid, because the red cells can easily be separated, but some refer to it as a colloid. Strictly speaking it is a ‘suspension’.
As for being ‘negatively charged’, I don’t know why this should be the case.
Most actively metabolising cells generate small electrical gradients across their cell membranes, but the net charge in the blood would most likely be zero.
As for being ‘negatively charged’, I don’t know why this should be the case.
Most actively metabolising cells generate small electrical gradients across their cell membranes, but the net charge in the blood would most likely be zero.
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